.navigation {
    margin-top: 20px;
}

.btn {
    display: inline-block;
    margin: 10px;
    padding: 10px 20px;
    background-color: #007BFF;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #0056b3;
}